CMake Error at CMP0028-NEW-iface\.cmake:5 \(target_link_libraries\):
  The link interface of target "iface" contains:

    External::Library

  but the target was not found.  Possible reasons include:
(
    \*[^
]+)*

Call Stack \(most recent call first\):
  CMakeLists\.txt:[0-9]+ \(include\)
